Figure 1: Histogram showing the frequency of roundhouse excavations each decade, based on all settlements included in the database. Interventions at the same site have been included separately where they are the consequence of a newly organised phase of fieldwork.
Figure 2: The geographical distribution of settlements in the database with excavated, directly dated roundhouses (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service).
Figure 3: The distribution of pre-1960 and post-1960 excavated settlements highlights the division between north-west and south-east Wales. The emphasis on visible archaeology and traditions of survey furthered interest in settlement patterns in north-west Wales. (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service.)
Figure 4: Histogram showing the frequency of the earliest (n=145) and latest (n=126) estimated dates of settlements in the database organised within 500 year intervals.
Figure 5: Histogram showing the frequency of the earliest (n=188) and latest (n=223) estimated and calibrated radiocarbon dates from individual roundhouses within one hundred year intervals.
Figure 6: Cumulative frequency curves for earliest (n=188) and latest (n=223) estimated and calibrated radiocarbon dates from individual roundhouses based on numbers of settlements represented in each 100 year period.
Figure 7: Histogram and cumulative frequency curve of uncalibrated radiocarbon dates (n=432) from excavated settlements.
Figure 8: Distribution of settlements with roundhouses dated earlier than 900 BC, based on estimated or calibrated radiocarbon dates (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service).
Figure 9: Distribution of settlements with houses whose earliest estimated or radiocarbon dates lie during 1000-600 BC, based on estimated or calibrated radiocarbon dates (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service).
Figure 10: Distribution of settlements with houses whose earliest estimated or radiocarbon dates lie during 600 BC-AD 200, based on estimated or calibrated radiocarbon dates (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service).
Figure 11: Distribution of settlements with houses whose earliest estimated or radiocarbon dates lie after AD 50, based on estimated or calibrated radiocarbon dates (Map data: Crown Copyright/database right 2007; an Ordnance Survey/EDINA supplied service).
Figure 12: Plans of settlements representative of the morphological categories adopted in the project database (after Crew 1998; Kelly 1988b; Phillips 1934).
Figure 13: Histogram showing the percentage frequency of the earliest estimated dates of settlements of different morphological types in the database organised within 500-year intervals.
Figure 14: Plans of houses showing examples of wall gully, stake- and post-built, and stone structures (after Gibson 1999; Kelly 1988b; Lynch and Musson 2004; Williams 1998d).
Figure 15: Bar chart showing the regional distribution of different elements used in the construction of houses. Moel y Gaer is excluded from this chart because the large number of post and stake built houses skews the results.
Figure 16: Bar chart showing the chronological distribution of different elements used in the construction of houses. Moel y Gaer is excluded from this chart because the large number of post and stake built houses skews the results.
Figure 17: Scatter plot of internal area of roundhouses (m²) plotted against the earliest estimated or calibrated radiocarbon date from the house.
Figure 18: Average area (m²) shown for each of the main construction methods, having removed all the houses excavated at Moel y Gaer apart from one stake- and one post-built structure, which would otherwise significantly skew the results.
Figure 19: Histogram displaying the percentage frequencies of entrance orientations of settlements (Settlements may be represented by more than one orientation in cases where there are multiple entrances).
Figure 20: Histogram displaying the percentage frequencies of entrance orientations of houses.
Figure 21: Histogram showing the frequency of roundhouse entrance orientations organised by 500-year period.
Figure 22: Histogram showing the frequency of roundhouse entrance orientations organised by 500-year period, and including only one house per orientation per settlement.
Figure 23: A schematic summary of finds locations recorded in the database. The key refers to categories of material culture multiplied by the number of houses, and the value is therefore highest in spaces where a wide range of artefact types are found in a large number of houses; it does not reflect the quantities of individual artefacts recovered.
Figure 24: The mean altitude of settlements in which specified crops were and were not present, compared against the mean height of all settlements providing environmental information in the database.
Photo 1: A small upland roundhouse being excavated at Hengwm, Dyffryn Ardudwy, Gwynedd (Johnston and Roberts 2002).
Photo 2: The remains of a stone built roundhouse, Bryn Cader Faner, near Harlech, Gwynedd (photograph: Adrian Chadwick).
Table 1: The frequency with which species of cultivated plants and the main categories of collected foods occur within the database, together with indication of the earliest and latest dates at which they appear
Table 2: The frequency with which species of domesticated and wild animals appear in the bone assemblages documented within the database
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URL: http://intarch.ac.uk/journal/issue23/1/tof.html
Last updated: Mon Nov 26 2007